2017-11-03. Technical News 174 provides instructions that apply to Front Brake Calipers, Rider Configurable Modes, Breather Cover Bolts Tightening Sequence, Crankcase Tightening Sequence, Left and Right Hand Switch Housings, Owner's Handbook - Rake Specification Correction, Headlight Wiring Harness Routing, Silencer Alignment_DZ, Rear Indicator Bracket, Master Cylinder Hose Inlet Replacement, FOX Accessory Rear Suspension Unit, Clutch Lifter Piece, Regulator Rectifer Parts Kit, Scheduled Maintenance Chart - Ait Cooled Bonneville Models, Service Manual - Rear Disc Runout Specification Correction. NHTSA's copy of the document (PDF)
Bulletins from the manufacturer that mention a maintenance schedule or a service interval, as NHTSA summarises them. They are not the schedule itself: read the document, and the owner's manual.
Position 8 of a VIN names the engine on many vehicles: how to read a VIN. Safety equipment depends on the trim, so decode a VIN to see what one vehicle has.